Root or Affix
Meaning
1 a-, an
without
2. abaway from
3. acet/oacid, vinegar
4. acoust/ohearing
5. acu/osharp
6. adto, toward
7. aden/ogland
8. aeroair
9. agr/icrops
10. alt
high
11. ambi-, amphtboth
12. amyl/ostarch
13. antebefore
14. anteri/o, anter/o- before, front, in front
15. anthropoman, human
16. antiagainst, opposite
17. aquawater
18. arbitr, arbiter
to judge, consider
19. arthr/ojoint
20. -ase
enzyme
21. astro-, asterstar
22. autoself
23. avibird
24. baropressure
25. bene-, bongood
26. bitwo, twice
27. biblio, bibl
book
28. biolife
29. brevishort
30. capit, cephalo- head
31. carcin/ocancer
32. cardi(o)heart
33. carni-, caroflesh
34. catadown
35. caud/a, caud/otail
36. cele
honor
37. cent/ihundred, hundredth
38. -ceros
horn
39. chlorgreen
40. chromat/o, chrom/o-- color
41. chronotime
42. cid/okill
43. circumaround
44. cis/ocut
45. -cle
small
46. cog
to know
47. com-, con-, co together, with
48. cont
to join, unite
49. contra-, contro- against
Example
anaerobic
abnormal
acetic acid
acoustics
accurate
adhere
adenoids
aerobic
agriculture
altitude
ambidextrous
amylase
anterior
anterior
anthropology
antigen
aquatic
arbitration
arthropod
lipase
astronomy
automatic
aviary
barometer
benefit
biped
bibliography
biology
abbreviate
decapitate
carcinogenic
cardiogram
carnivorous
catacombs
caudal
celebration
centimeter
rhinoceros
chloroplast
chromosome
chronology
homocide
circumference
incision
particle
cognition
combine
contact
contraception
Root or Affix
50. coron/o51. corpus
52. cosm
53. crac, crat
54. crani/o55. crypt/o56. -culture
57. cutane/o58. cyclo59. cyto60. dec/i61. dem
62. dent/o63. dermato-, derm64. di-, dis65. dorsi-, dorso66. duct/o67. echin/o68. -ectomy
69. entomo70. epi71. equ
72. erg73. estr/o74. ex75. eu76. fin
77. flor/o78. fore79. fort
80. frater
81. frig
82. fum
83. gastr/o84. gen85. geo86. germ87. gluc/o88. graph
89. grav
90. gyneco-, gyn
91. helio92. hemi93. hemo94. hepat/o95. herb
96. hetero97. hexa98. homo99. hydr(o)-
Meaning
heart
body
world, order, universe
rule, govern
skull, head
hidden
growing, raising
skin
circular
cell, hollow
ten, tenth
people
tooth
skin
two
back
carry, to lead
spiny
cut out, excision
insect
upon, outer
equal, fair
work
female
out, from
good
to end
flower
before, in front of
chance, luck, strong
brother
cool
smoke, scent
stomach
race, born, kind, produce
earth
sprout
sugar
write, record
heavy
female
sun
half
blood
liver
plant
mixed
six
same, alike
water
Example
coronary
corpse
cosmos
autocratic
cranium
cryptogram
aquaculture
subcutaneous
cyclotron
cytoplasm
decimeter
democracy
dentist
epidermis
dissect
dorsal
aquaduct
echinoderm
appendectomy
entomology
epidermis
equation
energy
estrogen
excrete
euphoria
finish
florist
foreground
fortunate
fraternal
refrigerator
fumes
gastric
generation
geology
germinate
glucose
graphite
gravity
gynecology
heliograph
hemisphere
hemoglobin
hepatitis
herbivorous
heterogeneous
hexagon
homogeneous
dehydrate
Root or Affix
Meaning
100. hyperover, excess
101. hypounder, less
102. hypno
sleep
103. hyster/outerus
104. ichthyofish
105. immun/osafe, protection
106. innot
107. in-, eninto
108. interbetween
109. intrawithin
110. isoequal
111. -itis
inflammation
112. junct
join
113. kil/othousand
114. kinemovement
115. liber, liver
free
116. lact(o)milk
117. lip/ofat
118. lith/ostone
119. luc, lum
light
120. lumb/olower back, loins
121. -logy
science, study of
122. lunar
moon
123. -lysis, -lyze
break up
124. macrolarge
125. magnigreat, large
126. mal
bad, ill
127. mamm/o-, mast/o- breast
128. -mania
insane desire
129. medi/o, mes/o- middle
130. melan/oblack
131. meta
change, beyond
132. -meter
measure
133. microsmall
134. migr
to move, travel
135. mim
copy, imitate
136. monoone, single
137. morphoform
138. mort/odeath
139. multimany
140. nas/onose
141. natal
birth
142. nebul
cloudy
143. neonew
144. nephr/okidney
145. neuronerve
146. noct/inight
147. nonnot
148. null, nihil, nil
nothing, void
149. octoeight
Example
hyperactive
hypodermic
hypnosis
hysterectomy
ichthyology
immunization
insomnia
inbreed
intercellular
intramuscular
isometric
tonsillitis
junction
kilogram
kinetic
liberation
lactic
liposuction
monolith
lumen
lumbar
biology
lunarian
analysis
macroscopic
magnitude
malaria
mammal
maniac
median
melanin
metaphase
altimeter
microscope
migration
mimic
monocyte
metamorphosis
mortal
multicellular
nasal
postnatal
nebulous
neonate
nephron
neuron
nocturnal
nonnitrogenous
nullify
octopus
Root or Affix
Meaning
150. oculo, ophthalmo- eye
151. omniall
152. onc/otumor, mass
153. o/oegg cell, ovum
154. -orexia
appetite
155. ornithobird
156. orthostraight
157. osm/osense of smell, odor
158. osteobone
159. paleo
long ago, ancient
160. panall
161. para
beside, beyond
162. -partum
birth, labor
163. pathodisease, feeling
164. pedi-, pod
foot, footed
165. pend, pond, pens to weigh, pay, consider
166. penta
five
167. -pepsia
digestion
168. perthrough
169. peri
surrounding
170. -philia
love, fondness
171. -phobia
fear
172. phonosound, voice
173. photolight
174. physioorganic
175. phyt/oplant
176. pneum/oair, lung
177. polymany
178. port
to carry
179. pos, pon
place, put
180. postafter
181. prebefore
182. prot/ofirst
183. pseudofalse
184. psychomind
185. profor, forward
186. proxim/onear
187. pteron
winged
188. pulm/o- , pulmon/olung
189. pyr
fire
190. quad
four
191. re
again, anew, back
192. ren/okidney
193. retrobackward
194. rhin/onose
195. rhodo
rose, red
196. rupt
break, burst
197. sci
to know
198. scler/ohard
199. -scope
view, examine
Example
oculist
omnivorous
oncologist
oogenesis
anorexia
ornithology
orthopterous
osmosis
osteopath
paleontology
pandemic
parallel
postpartum
pathology
anthropod
ponder
pentagon
dyspepsia
permeate
perimeter
hydrophillic
hydrophobic
phonograph
photosynthesis
physiology
phytoplanton
pneumonia
polysaccharide
portable
position
postnatal
prediagnosis
prototype
pseudopod
psychology
procreate
approximate
lepidoptera
pulmonary
pyre
quadruped
renew
renal
retroactive
rhinoscope
rhodolite
rupture
science
scleroderma
microscope
Root or Affix
200. sect
201. seps/o202. sol, soli
203. som(a)
204. somn
205. son(i)
206. sphere
207. spir/o208. sub209. syn210. tachy211. tax/o212. techn
213. tele214. ten215. theo
216. thermo217. thorac/o218. top/o219. tox/o220. tract
221. trans222. tri
223. tympan/o224. ultra225. umbilic/o226. un227. under228. vac
229. vas/o230. ventr/i-, ventr/o231. ven/o232. ver
233. via
234. vir/o235. viscer/o236. vita237. -vor(e)
238. xen/o239. xer/o240. zoo-
Meaning
part, divide
infection
alone, lonely
body
sleep
sound
round, globe
breathe
under
together, with
rapid
order, coordination
art, skill
far, distant
to hold
god
heat
chest
place, location
poison
to pull, draw
across
three
eardrum
beyond
navel
not
below
empty
vessel
belly
vein
truth
way, road
virus
internal organs
life
eat
stranger
dry
animal
Example
dissect
antiseptic
solitude
chromosome
insomnia
supersonic
spherical
respiration
subconscious
synthesis
tachycardia
taxonomy
technology
telescope
tenaculum
theology
thermometer
thorax
topography
toxic
traction
transmutation
triangle
tympanic membrane
ultraviolet
umbilical
undeveloped
underactive
vacuum
vasodilator
ventral
venous
veracity
viaduct
virology
visceral
vitamin
herbivorous
xenophobia
xeroscaping
zoology